package com.walmartlabs.concord.plugins.taurus;

/*-
 * *****
 * Concord
 * -----
 * Copyright (C) 2017 - 2019 Walmart Inc.
 * -----
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =====
 */

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

public final class Utils {

    public static Path assertDir(Path workDir, String path) throws IOException {
        Path p = workDir.resolve(path);

        if (Files.isDirectory(p)) {
            return p;
        }

        if (Files.exists(p)) {
            throw new IllegalStateException("'" + path + "' is not a directory");
        }

        Files.createDirectories(p);
        return p;
    }

    private Utils() {
    }
}
